Lao ລາວ

BCP 47 language tag: lo

Lokalized supports cardinality, cardinality range, and ordinality rules for Lao.

Lao is most often spoken in Laos.

Cardinalities

All numbers use CARDINALITY_OTHER; no value selects a different form.

Example: 2 ມື້.

Cardinality Ranges

Every range resolves to CARDINALITY_OTHER because every endpoint is CARDINALITY_OTHER, so no range can select a different form.

Ordinalities

  • ORDINALITY_ONE

    Matches n = 1

    Example Integers: 1

  • ORDINALITY_OTHER

    Matches all other values

    Example Integers: 0, 2, 16, 100, 1000, 10000, 100000, 1000000, …

Ordinality example

This localized strings example uses complete CLDR minimal-pair patterns to demonstrate every ordinality category defined for the locale.

Source: Unicode CLDR 48.2 lo locale data.

Sample localized strings file
lo.json Localized Strings File (Lao)
{
  "Ordinal.MinimalPair": {
    "commentary": "Demonstrates every CLDR ordinal category defined for this locale.",
    "translation": "{{ordinalExample}}",
    "placeholders": {
      "ordinalExample": {
        "value": "ordinalValue",
        "translations": {
          "ORDINALITY_ONE": "ລ້ຽວຂວາໂຕທີ {{formattedOrdinalValue}}.",
          "ORDINALITY_OTHER": "ລ້ຽວຂວາທີ {{formattedOrdinalValue}}."
        }
      }
    }
  }
}
Usage and expected results

JavaScript

The JavaScript code passes each raw number to ordinalityForNumber(...) and formats its display value separately with Intl.NumberFormat. Ordinal rules are an optional import, lokalized/data/ordinal.

import { createStrings } from "lokalized";
import { ordinalData, ordinalityForNumber } from "lokalized/data/ordinal";
import { readStringsFromDirectory } from "lokalized/node";

const locale = "lo";

const strings = createStrings({
  localizedStringSupplier: () => readStringsFromDirectory("strings").catalogs,
  fallbackLocale: locale,
  localeSupplier: () => locale,
  pluralData: { ordinal: ordinalData },
});

const numberFormat = new Intl.NumberFormat(locale);

// Raw numbers select language forms; Intl.NumberFormat produces the display values

// ORDINALITY_ONE
const oneOrdinalValue = 1;
const oneFormattedOrdinalValue = numberFormat.format(oneOrdinalValue);

ordinalityForNumber(oneOrdinalValue, locale).name;   // => "ORDINALITY_ONE"
strings.get("Ordinal.MinimalPair", {
  ordinalValue: oneOrdinalValue,
  formattedOrdinalValue: oneFormattedOrdinalValue,
});   // => "ລ້ຽວຂວາໂຕທີ 1."

// ORDINALITY_OTHER
const otherOrdinalValue = 2;
const otherFormattedOrdinalValue = numberFormat.format(otherOrdinalValue);

ordinalityForNumber(otherOrdinalValue, locale).name;   // => "ORDINALITY_OTHER"
strings.get("Ordinal.MinimalPair", {
  ordinalValue: otherOrdinalValue,
  formattedOrdinalValue: otherFormattedOrdinalValue,
});   // => "ລ້ຽວຂວາທີ 2."

Java

The Java code passes each raw number to Ordinality.forNumber(...) and formats its display value separately with NumberFormat.

Locale locale = Locale.forLanguageTag("lo");

Strings strings = Strings.withFallbackLocale(locale)
  .localizedStringSupplier(() -> LocalizedStringLoader.loadFromFilesystem(Paths.get("strings")))
  .localeSupplier((matcher) -> matcher.bestMatchFor(locale))
  .build();

NumberFormat numberFormat = NumberFormat.getNumberInstance(locale);

// Raw numbers select language forms; NumberFormat produces the display values

// ORDINALITY_ONE
Number oneOrdinalValue = 1;
String oneFormattedOrdinalValue = numberFormat.format(oneOrdinalValue);

assertEquals(Ordinality.ONE, Ordinality.forNumber(oneOrdinalValue, locale));

// Expected: ລ້ຽວຂວາໂຕທີ 1.
assertEquals("ລ້ຽວຂວາໂຕທີ " + oneFormattedOrdinalValue + ".", strings.get(
  "Ordinal.MinimalPair",
  Map.of("ordinalValue", oneOrdinalValue, "formattedOrdinalValue", oneFormattedOrdinalValue)
));

// ORDINALITY_OTHER
Number otherOrdinalValue = 2;
String otherFormattedOrdinalValue = numberFormat.format(otherOrdinalValue);

assertEquals(Ordinality.OTHER, Ordinality.forNumber(otherOrdinalValue, locale));

// Expected: ລ້ຽວຂວາທີ 2.
assertEquals("ລ້ຽວຂວາທີ " + otherFormattedOrdinalValue + ".", strings.get(
  "Ordinal.MinimalPair",
  Map.of("ordinalValue", otherOrdinalValue, "formattedOrdinalValue", otherFormattedOrdinalValue)
));

Swift

Swift uses pinned CLDR rules for raw numeric values. The display strings in these assertions are fixed examples; applications format display values separately with Foundation. Default .rtlLocales bidi isolation adds FSI/PDI to interpolated values in right-to-left output.

import Foundation
import Lokalized

let locale = try LocaleTag("lo")
let files = try LocalizedStringLoader.loadFromDirectory(URL(fileURLWithPath: "strings"))
let catalogs = files.mapValues { LocalizedCatalog(strings: $0.strings) }

let strings = try DefaultStrings(configuration: StringsConfiguration(
  localizedStringSupplier: { catalogs }, localeSupplier: { _ in locale },
  fallbackLocale: locale
))

let number1 = try NumericValue.forDecimal("1")
let category1 = try Ordinality.forNumber(number1, locale: locale.tag)
assert(category1 == .one)
let message1 = try strings.get("Ordinal.MinimalPair", placeholders: [
  "ordinalValue": .number(number1),
  "formattedOrdinalValue": .text("1"),
])
assert(ExactString(message1) == ExactString("ລ້ຽວຂວາໂຕທີ 1."))

let number2 = try NumericValue.forDecimal("2")
let category2 = try Ordinality.forNumber(number2, locale: locale.tag)
assert(category2 == .other)
let message2 = try strings.get("Ordinal.MinimalPair", placeholders: [
  "ordinalValue": .number(number2),
  "formattedOrdinalValue": .text("2"),
])
assert(ExactString(message2) == ExactString("ລ້ຽວຂວາທີ 2."))

Addendum: Language Form Rules

The language form expressions above are specified by Unicode Technical Standard #35 and use the following notation:

  • n absolute value of the source number (integer and decimals)
  • i integer digits of n
  • v number of visible fraction digits in n, with trailing zeros
  • w number of visible fraction digits in n, without trailing zeros
  • f visible fractional digits in n, with trailing zeros
  • t visible fractional digits in n, without trailing zeros
  • c/e compact decimal exponent operands used by some CLDR compact-number rules